“Stanley has received 91 reports worldwide, including 16 in the U.S., of the recalled travel mugs’ lids detaching during use, resulting in 38 burn injuries worldwide, including two burn injuries in the U.S., with 11 consumers worldwide requiring medical attention.”

Collectors of Stanley cups should check their collections after the company issued a recall for 2.6 million of its mugs. Here's what to know

The recall affects 2.6 million Switchback and Trigger Action stainless steel travel mugs sold in the U.S. The company said the mugs’ lid threads can shrink when exposed to heat, causing the lid to detach in use and pose a burn hazard.